Evolutionary pattern of clay mineral and rock sensitivity in water-flooding reservoir

doi:10.7623/syxb200604016

Editorial office of ACTA PETROLEI SINICA ›› 2006, Vol. 27 ›› Issue (4): 71-75.DOI: 10.7623/syxb200604016

• Oil Field Development • Previous Articles Next Articles

Evolutionary pattern of clay mineral and rock sensitivity in water-flooding reservoir

Peng Shimi¹, Yin Xu¹, Zhang Jichun¹, Li Jianmin², Ren Jibo¹, Wang Fenggang¹

1. Faculty of Resources and Information Technology, China University of Petroleum, Beijing 102249, China;
2. Exploration and Development Research Institute, PetroChina Huabei Oilfield Company, Renqiu 062552, China

Received:2005-09-15 Revised:2005-11-05 Online:2006-07-25 Published:2010-05-21

注水开发中粘土矿物及其岩石敏感性的演化模式

彭仕宓¹, 尹旭¹, 张继春¹, 李建敏², 任继波¹, 王凤刚¹

1. 中国石油大学资源与信息学院, 北京, 102249;
2. 华北油田勘探开发研究院, 河北任丘, 062552

作者简介:彭仕宓,女,1944年3月生,1967年毕业于北京地质学院石油地质系,现为中国石油大学(北京)资源与信息学院教授,博士生导师,主要从事油气田开发地质及油藏描述的教学与科研工作.E-mail:pengsm@vip.sina.com
基金资助:
中国石油天然气股份有限公司"十五"重点科技攻关项目(010102-1-2)"注水开发油田高含水期开发技术经济政策研究"部分成果.

Abstract

Abstract: The microscopic change of rock attributes in four water-flooding sandstone reservoirs with typical sedimentary facies of Huabei Oilfield was investigated.The quantitative evolutionary patterns of the component,content and the combination features of clay minerals in rock of reservoir were simulated in laboratory using core samples.The effects of these evolutionary patterns on oil recovery of reservoir and the variations of pore configuration,sensitivity,wettability and percolation mechanism of rock in the reservoir were analyzed.The result shows that the oil-displacement efficiency of water-flooding reservoir was enhanced by serious evolvement of parameters in the process of water drive,especially by the improvement of rock wettabiltity.

Key words: sandstone reservoir, water flood development, clay mineral, sensitivity, pore configuration, percolation mechanism, enhanced oil recovery

摘要： 以华北油田主力砂岩油藏中4种典型沉积相类型的储集砂体为例,探讨了油藏在注水开发过程中储集层岩石属性的微观变化.通过大量岩心样品的室内驱替模拟注水试验,探讨了储集层岩石粘土矿物成分、含量及组合特征的定量演化模式,分析了这种演化所引起储层岩石孔隙结构、敏感性、润湿性、渗流机理变化的特点及对原油采收率的影响.研究结果表明,水驱过程的一系列演化,特别是岩石润湿性的亲水性加强,在一定程度上进一步提高油藏水驱油效率.

关键词: 砂岩油藏, 水驱开发, 粘土矿物, 敏感性, 孔隙结构, 渗流机理, 提高采收率

CLC Number:

TE341

Peng Shimi, Yin Xu, Zhang Jichun, Li Jianmin, Ren Jibo, Wang Fenggang. Evolutionary pattern of clay mineral and rock sensitivity in water-flooding reservoir[J]. Editorial office of ACTA PETROLEI SINICA, 2006, 27(4): 71-75.

彭仕宓, 尹旭, 张继春, 李建敏, 任继波, 王凤刚. 注水开发中粘土矿物及其岩石敏感性的演化模式[J]. 石油学报, 2006, 27(4): 71-75.

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Evolutionary pattern of clay mineral and rock sensitivity in water-flooding reservoir

注水开发中粘土矿物及其岩石敏感性的演化模式

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